A biomass-based fuel needs to be cheap and energy dense. Gasoline sets a high standard.
http://www.nature.com/nature/journal/v474/n7352_supp/full/474S09a.html [2]
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/ideal-biofuel
[2] http://www.nature.com/nature/journal/v474/n7352_supp/full/474S09a.html
[3] http://admin.indiaenvironmentportal.org.in/category/author/neil-savage
[4] http://admin.indiaenvironmentportal.org.in/category/journal/nature
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biofuel
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biomass
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/petrol
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/petrocrop
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy-technology
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ethanol
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy